Now showing items 22-41 of 156

    • Salisbury, Roy; Rasmussen, Pete; Griffith, Todd; Fibbi, Andrea (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Increasing demand for LNG has driven the requirement for a significant increase in LNG plant capacity. Qatargas II (QGII), a joint venture initiated by Qatar Petroleum, is committed to accomplish this while reducing ...
    • Mirsky, Saul; Jacobson, Wayne; Tiscornia, David; McWhirter, Jeff; Zaghloul, Medhat (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
      The development and design of control systems for centrifugal and axial compressors is discussed and explanations given to bring together features of control systems on varying machine designs. Potential problems resulting ...
    • El-Abyouki, Mohamed; Guerrero, Armando (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Background; Problem Identification; Analysis; Scope; Testing; Conclusions
    • Gilbert, Jim; Ramdane, Abdou; Rahimi, Ahmed; Shaw, Patrick; Forsthoffer, William (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
    • Pennington, Steven; Meck, Klaus-Dieter (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2013)
      Following the changes to API 671, there is a requirement to reduce temperature around guarded coupling designs. Existing features used in high performance (HP) couplings involve various methods of shrouding and covering ...
    • Rossin, Stefano; Capanni, Francesco; Panara, Daniele; Rindi, Andrea; Meli, Enrico; Pallini, Giovanni (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
      Accurate modeling of complicated dynamic phenomena characterizing rotating machineries represents a critical aspect in the rotor dynamic field. A correct prediction of rotor behavior is fundamental to identify safe operating ...
    • Khader, Ameer; Deshpande, Atul; White, Nicholas; Abdelghafour, Mohamed (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
      Oil and Gas industry end users have generally approached the topic of centrifugal compressor performance estimation with little consideration to the effect of process gas conditions. This is customary since end users depend ...
    • Al-Qattan, Aziz; Marscher, William; Savage, Andrew; Olson, Eric (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Outline: Problem description and approach overview. Specialized testing to characterize the problem. Conclusions and recommendations based on the test results. Implementing the solution. Lessons learned.
    • Al-Ajji, Abdulbasit (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      As part of the Upgrade project of 1998/99 the Main Oil line (MOL) pumps were replaced with smaller pumps from NUOVA PIGNONE (NP), due to Three-phase separation. The new pumps were installed with John Crane (JC) Double ...
    • Schmidt, Glenn; Goebel, Daniel (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2013)
      This paper will discuss the challenges with contamination resulting from long periods of compressors in standstill conditions. The reliability of gas seals is largely dependent on having a continuous supply of clean and ...
    • Khader, Ameer; White, Nicholas (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
      • In an LNG production plant, multiple propane (PR) refrigeration compressor failures since commissioning led to re-wheeling • PR refrigeration system was not considered to be the main bottleneck, nevertheless improved ...
    • Pettinato, Brian; Wang, Yongxin; Griffin, Jerry; Feiner, Drew; Echols, Brian; Cushman, Michael (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2013)
      A Root Cause Failure Analysis (RCFA) for repeated fourth stage impeller blade failures in a five stage centrifugal propane compressor used in Liquefied Natural Gas service is expanded upon by examining the amount and effect ...
    • Al-Shaye, Abdulmajeed; Al-Shuhail, Yousuf (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2013)
      Content: Introduction. Case Study - Operating Conditions. Failure Analysis. Root Causes. Alternative Pump Designs. Summary.
    • Chandajkar, Abhay (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
    • Cicatelli, Giancarlo; Schiavello, Bruno (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Summary: The case. Initial analysis. Root cause analysis. Solution implementation. Results. Conclusions.
    • Patel, Vinod; Kimmel, Hans (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      From the earliest days of gas liquefaction, the thermodynamic process advantage of employing cryogenic liquefied gas expanders in place of throttling valves was very well recognized. The available technology was unable ...
    • Mekawey, Sherif (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Background: The synthesis Gas Compressor was recently overhauld. Replaced the IP Compressor ortor, interstage seals and floating seal rings. Replaced the inboard radial and thrust bearings of IP Compressor. When the machine ...
    • Bakar Usman Nlazl, Abu; Zahld, Muhammad (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2013)
      Outline: •Problem statement •Compressor service overview •Description of sealing system •Problem description •Troubleshooting •Findings •Remedial Actions •Result •Q & A
    • Zeidan, Fouad (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Bearings constitute one of the most critical components in turbo and rotating machinery today. Their influence on the rotordynamic performance, life, and reliability of the machine cannot be ignored. Many of the problems ...
    • Deshpande, Atul; Rojas, Luis; Venkatachallam, V.; Chelghoum, Mustapha (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2013)
      Summary: After a planned Shutdown and transfer valve replacement, Propane unit -GT Fr7AE DLN1- started; Unit failed to transfer to pre-mix steady state Mode (PMSS) and Trip. 05 Days of online troubleshooting using Fishbone ...